Company Filing History:
Years Active: 1976
Title: Innovations of William H Dennis, Jr.
Introduction
William H Dennis, Jr. is a notable inventor based in Braddock Heights, MD (US). He has made significant contributions to the field of chemical engineering, particularly in the purification of dinitrotoluene. With a total of 2 patents to his name, his work has implications for both industrial applications and environmental safety.
Latest Patents
Dennis's latest patents focus on the purification processes of crude dinitrotoluene. The first patent describes a method for purifying crude dinitrotoluene by extracting it with an alkane of 5 to 8 carbon atoms. This process effectively removes isomeric dinitrotoluene impurities. The second patent outlines a method for separating 2,4- and 2,6-dinitrotoluenes from mixtures containing small amounts of isomeric dinitrotoluene impurities. This is achieved by suspending the mixture in an aqueous solution with a small amount of an alkali metal disulfide, converting the impurities into soluble products, thus allowing for the recovery of the desired dinitrotoluenes in excellent yield.
Career Highlights
William H Dennis, Jr. is currently associated with the US Government as represented by the Secretary of the Army. His work in this capacity has allowed him to apply his innovative ideas to practical challenges faced by the military and related sectors.
Collaborations
Dennis has collaborated with David H Rosenblatt, contributing to advancements in their field through shared expertise and innovative approaches.
Conclusion
William H Dennis, Jr. stands out as an influential inventor whose work in the purification of dinitrotoluene showcases his commitment to innovation and practical solutions in chemical engineering. His contributions continue to impact both industry and environmental practices.